(19)

(11)

EP 2 914 572 A1

(12)

(43) Date of publication: 09.09.2015 Bulletin 2015/37 (21) Application number: 13786718.0 (22) Date of filing: 30.10.2013

(51) International Patent Classification (IPC):  C07C 69/533(2006.01) A01M 1/02(2006.01) A01N 31/02(2006.01) A01M 1/14(2006.01) (86) International application number: PCT/GB2013/052822 (87) International publication number: WO 2014/068303 (08.05.2014 Gazette 2014/19)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME (30) Priority: 30.10.2012 GB 201219513 (71) Applicant: Keele University Keele, Staffordshire ST5 5BG (GB)	(72) Inventors: KIRK, William Daniel John Market Drayton Shropshire TF9 4RL (GB) HAMILTON, James Gordon Campbell Alderley Edge Cheshire SK9 7HS (GB) (74) Representative: Webster, Jeremy Mark et al Mewburn Ellis LLP City Tower 40 Basinghall Street London EC2V 5DE London EC2V 5DE (GB)